User guide

6-67
Cisco Media Gateway Manager 5.0 User Guide
OL-5461-02
Chapter 6 Configuring Hardware
How Do I Configure VXSM Cards?
6.7.4 Configuring the Time-Division Multiplexing Interface for VXSM
The TDM network consists of a number of DS1s that each contain DS0 voice circuits, which interface
with the VXSM card either through the 4-port OC-3 back card or the 24-port T1/E1 back card.
These tasks describe how to configure the TDM interface:
Step 1 (Optional) Change the line type to SDH (by default, the line type is set to SONET)—See
6.7.4.1 Changing the VXSM Line Type to SDH, page 6-67.
Step 2 Enable SONET lines and paths—See 6.7.4.2 Enabling SONET Lines and Paths for VXSM, page 6-69
or
Enable SDH lines and paths—See 6.7.4.3 Enabling SDH Lines and Paths for VXSM, page 6-73.
6.7.4.1 Changing the VXSM Line Type to SDH
Step 1 From the Domain Explorer window, choose Configuration > MGX 8880/8850 MG > Configuration
Center.
Step 2 Under the Elements tab, within the node, expand the VXSM card, and double-click on the first VXSM
line. The Line Config tab appears.
Step 3 Choose the Sonet Medium Config option from the Category drop-down arrow.
Prefix Length Specifies the number of leading one bits which from the mask to be logical
and-ed with the media gateway address before being compared to the value in
the cmgwIpCofigAddress.
IP Address Type IP address type.
Default Gateway IP Specifies the IP address of the entry will become the default gateway address.
Table 6-33 Field Descriptions for the VXSM Create PVC IP Address Window (continued)
Field Name Description